At the end of the day, all the docker images depend on a lot of ./configure && make install, if not a lot of apt-get installs, which are often not reproducible.

At the end of the day, all the docker images depend on a lot of ./configure && make install, if not a lot of apt-get installs, which are often not reproducible. You don't get reproducibility unless you've done it all the way down the chain.